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Four par ticles have speed 2, 3, 4 and 5...

Four par ticles have speed `2, 3, 4` and 5 cm/s respectively Their `RMS` speed is .

A

`3.5 cm//s`

B

`(27//2) cm//s`

C

`sqrt54 cm//s`

D

`11.2 m^(3)`

Text Solution

Verified by Experts

`u_(rms)=sqrt([[2^(2)+3^(2)+4^(2)+5^(2))/(4)])=sqrt[[(54)/(4)]) cms^(-1)`
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